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Efficient solid carbide drill tips for universal machining

The WS RT19 interchangeable drill tips with diameters ranging from 11.50 to 11.91 mm are specifically designed for professional drilling in steel and cast iron. Thanks to their optimized geometry and high-quality carbide grade, they offer excellent conditions for reliable machining processes. Please pay attention to the carrier/drill bit combinations! These drill bits only fit the 11.50-11.91 mm WST D11.5-..xD-H carrier.

Technical data

  • Tool type: Interchangeable drill tips
  • Material: Solid carbide
  • Point angle: 140°
  • Coating: CVD (Grade P25/K20)
Tools Inserts for interchangeable tip drills
Point Angle 140° 
Scope of Application Steel and Cast Iron
Coating RT19: CVD Coated P25/K20 Carbide Grade for universal
drilling of steel and cast materials.
Packaging unit 1 Pc

Dimensions of WS... RT19

Art. Nr. Diameter Holder
WS-D11.50 RT19 3601150 11,50

WST-D11.5-3xD-H

WST-D11.5-5xD-H

WST-D11.5-8xD-H

WS-D11.51 RT19 3601151 11,51
WS-D11.60 RT19 3601160 11,60
WS-D11.70 RT19 3601170 11,70
WS-D11.80 RT19 3601180 11,80
WS-D11.90 RT19 3601190 11,90
WS-D11.91 RT19 3601191 11,91

Cutting data

 ISO VDI
3323
Material Vc (m/min) Feed (mm/rev)
Ø10,00-11,99 Ø12,09-14,99 Ø15,00-17,99 Ø18,00-21,99 Ø22,00-26,99 Ø27,00-33,99
P 1 Non-alloy steel 100-126 0,14-0,24 0,18-0,31 0,23-0,39 0,30-0,44 0,37-0,57 0,41-0,61
2 84-110 0,12-0,21 0,15-0,26 0,23-0,39 0,30-0,44 0,37-0,57 0,41-0,61
3 63-84 0,11-0,81 0,13-0,22 0,19-0,31 0,24-0,35 0,33-0,51 0,36-0,54
4 58-74 0,09-0,14 0,11-0,18 0,17-0,28 0,23-0,33 0,28-0,42 0,32-0,47
5 58-74 0,09-0,14 0,11-0,18 0,17-0,28 0,23-0,33 0,28-0,42 0,32-0,47
6 Low alloy steel 74-95 0,11-0,18 0,13-0,22 0,19-0,31 0,24-0,35 0,33-0,51 0,37-0,55
7 63-84 0,11-0,18 0,13-0,22 0,17-0,28 0,24-0,35 0,33-0,51 0,37-0,55
8 58-74 0,09-0,14 0,11-0,18 0,14-0,23 0,23-0,33 0,28-0,42 0,32-0,47
9 47-63 0,07-0,11 0,09-0,13 0,14-0,23 0,23-0,33 0,28-0,42 0,32-0,47
10 High alloyed steel
& tool steel
53-68 0,09-0,14 0,11-0,18 0,14-0,23 0,20-0,29 0,22-0,34 0,26-0,39
11 42-58 0,09-0,14 0,11-0,18 0,12-0,20 0,23-0,33 0,22-0,34 0,26-0,39
K 15 Grey Cast Iron 105-131 0,13-0,23 0,17-0,29 0,22-0,41 0,30-0,46 0,40-0,56 0,44-0,61
16 79-100 0,10-0,18 0,12-0,22 0,18-0,32 0,22-0,33 0,28-0,39 0,32-0,44
17 Nodular Cast Iron 100-126 0,11-0,20 0,14-0,24 0,19-0,34 0,23-0,35 0,31-0,44 0,35-0,48
18 79-100 0,10-0,18 0,12-0,22 0,15-0,29 0,21-0,32 0,28-0,39 0,32-0,44
19 Malleable Cast Iron 105-131 0,11-0,20 0,14-0,24 0,19-0,34 0,23-0,35 0,31-0,44 0,35-0,48
20 79-100 0,10-0,15 0,12-0,20 0,15-0,29 0,21-0,32 0,28-0,39 0,32-0,44

Applications

The RT19 drill inserts are highly suitable for machining non-alloy and alloy steels, as well as various cast materials like grey cast iron and nodular cast iron. They are frequently used in general mechanical engineering, fixture construction, and series production where consistent durability is required.

Special features

A key advantage of this series is the wear-resistant CVD coating, which withstands high thermal and mechanical loads during the drilling process. The 140° point angle promotes optimal penetration and efficient chip evacuation. Important machining note: When using the 5xD or 8xD drill body, we highly recommend reducing the feed rate to 85% or 70% respectively to ensure maximum process stability.

3601150

Data sheet

Diameter Range
11,50-11,91 mm

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